We unearthed thousands of internal documents that assist explicate how the Islamic State stayed inwards mightiness hence long. On 5 trips to battle-scarred Iraq, journalists for The New York Times scoured former Islamic State offices, gathering thousands of files abandoned past times the militants every bit their ‘caliphate’ crumbled.By Rukmini Callimachi Photographs past times Ivor Prickett Apr 4, 2018 MOSUL, Republic of Iraq — Weeks after the militants seized the city, every bit fighters roamed the streets in addition to religious extremists rewrote the laws, an monastic enjoin rang out from the loudspeakers of local mosques. To create certain every authorities worker got the message, the militants followed upwards with telephone calls to supervisors. When i tried to beg off, citing a dorsum injury, he was told: “If you lot don’t exhibit up, we’ll come upwards in addition to interruption your dorsum ourselves.”
RUKMINI CALLIMACHI, a New York Times unusual correspondent, has covered ISIS since 2014. She has tracked the group's ascent around the world from their encrypted, online chatrooms to on-the-ground reporting on iv continents. Her novel sound series, Caliphate, launches afterwards this month.
The telephone phone band reached Muhammad Nasser Hamoud, a 19-year veteran of the Iraqi Directorate of Agriculture, behind the locked gate of his home, where he was hiding with his family. Terrified but unsure what else to do, he in addition to his colleagues trudged dorsum to their six-story business office complex decorated with posters of seed hybrids.
They arrived to respect chairs lined upwards inwards corking rows, every bit if for a lecture.
The commander who strode inwards sat facing the room, his leg splayed out hence that everyone could regard the pistol holstered to his thigh. For a moment, the only sounds were the hurried prayers of the civil servants mumbling nether their breath.
Their fears proved unfounded. Though he spoke inwards a menacing tone, the commander had a surprisingly tame request: Resume your jobs immediately, he told them. Influenza A virus subtype H5N1 sign-in canvas would live placed at the entrance to each department. Those who failed to exhibit upwards would live punished.

Muhammad Nasser Hamoud Ivor Prickett for The New York Times
Meetings similar this i occurred throughout the territory controlled past times the Islamic State inwards 2014. Soon municipal employees were dorsum fixing potholes, icon crosswalks, repairing mightiness lines in addition to overseeing payroll.
“We had no pick but to acquire dorsum to work,” said Mr. Hamoud. “We did the same chore every bit before. Except nosotros were at nowadays serving a terrorist group.”
The disheveled fighters who flare-up out of the desert to a greater extent than than iii years agone founded a province that was acknowledged past times no i except themselves. And yet for nearly iii years, the Islamic State controlled a stretch of dry reason that at i betoken was the size of Britain, with a population estimated at 12 i one one thousand thousand people. At its peak, it included a 100-mile coastline inwards Libya, a subdivision of Nigeria’s lawless forests in addition to a metropolis inwards the Philippines, every bit good every bit colonies inwards at to the lowest degree xiii other countries. By far the largest metropolis nether their dominion was Mosul.
How Far ISIS Spread Across Republic of Iraq and
Syria in addition to Where It’s Still Holding On
Since declaring a caliphate inwards 2014, the Islamic State has controlled large swaths of territory inwards Republic of Iraq in addition to Syria. But after the grouping retreated from Mosul in addition to Raqqa inwards 2017, it lost nearly all of its territory.

Persistent control
Current control
Short-lived
Populated areas
ISIS Control Key
Qamishli
Kobani
TURKEY
Dohuk
Manbij
Hasaka
Tal Afar
Sinjar
Aleppo
Idlib
Mosul
Raqqa
Erbil
SYRIA
IRAQ
Sulaimaniya
Deir al-Zour
Hama
Kirkuk
Hawija
Mayadeen
Sukhna
Homs
Palmyra
LEBANON
IRAN
Tikrit
Abu Kamal
Qaim
Ayn al-Fars
Haditha
Hit
Baquba
Damascus
Falluja
Ramadi
Nawa
Baghdad
Rutba
Sweida
JORDAN
Dara’a
Sources: Conflict Monitor past times IHS Markit (control areas); WorldPop (populated areas); RAND Corporation
Note: Areas of command based on IHS reports from Sept. 21, 2015, to March 26, 2018.
Nearly all of that territory has at nowadays been lost, but what the militants left behind helps response the troubling inquiry of their longevity: How did a grouping whose spectacles of violence galvanized the world against it take away hold onto hence much dry reason for hence long?
Part of the response tin live found inwards to a greater extent than than 15,000 pages of internal Islamic State documents I recovered during 5 trips to Republic of Iraq over to a greater extent than than a year.
The documents were pulled from the drawers of the desks behind which the militants in i trial sat, from the shelves of their constabulary stations, from the floors of their courts, from the lockers of their grooming camps in addition to from the homes of their emirs, including this tape detailing the jailing of a 14-year-old man child for goofing around during prayer.

This arrest tape was for i of iii boys who were Aaccused of fooling around during prayer.
The ticket volume was recovered inwards early on 2017 N of Mosul inwards the town of Tel Kaif, inwards a theater that ISIS had turned into a constabulary station.
B Ibrahim Muhammad Khalil, who was 14, was arrested at 3 p.m. on Dec. 21, 2015, past times an ISIS constabulary officeholder who booked him on charges of “laughing during prayer.”
C “You are requested to carry the prisoner described higher upwards to … the Ministry of the Hisba, Nineveh Province, Tel Kaif Sector … every bit before long every bit possible, in addition to manus over the prisoner in addition to all the reports, observations in addition to documents related to him every bit good every bit his belongings in addition to personal possessions.”
Reason for arrest: D “The propagation of virtue in addition to prevention of vice.”
B
A
D
C
The New York Times worked with exterior experts to verify their authenticity, in addition to a squad of journalists spent fifteen months translating in addition to analyzing them page past times page.
Individually, each slice of newspaper documents a single, routine interaction: Influenza A virus subtype H5N1 dry reason transfer betwixt neighbors. The sale of a ton of wheat. Influenza A virus subtype H5N1 fine for improper dress.
But taken together, the documents inwards the trove break the inner workings of a complex scheme of government. They exhibit that the group, if only for a finite amount of time, realized its dream: to found its ain state, a theocracy they considered a caliphate, run according to their strict interpretation of Islam.
The world knows the Islamic State for its brutality, but the militants did non dominion past times the sword alone. They wielded mightiness through 2 complementary tools: brutality in addition to bureaucracy.
ISIS built a province of administrative efficiency that collected taxes in addition to picked upwards the garbage. It ran a wedlock business office that oversaw medical examinations to ensure that couples could take away hold children. It issued nascency certificates — printed on Islamic State stationery — to babies born nether the caliphate’s dark flag. It fifty-fifty ran its ain D.M.V.
The documents in addition to interviews with dozens of people who lived nether their dominion exhibit that the grouping at times offered improve services in addition to proved itself to a greater extent than capable than the authorities it had replaced.
They also propose that the militants learned from mistakes the U.S. made inwards 2003 after it invaded Iraq, including the determination to purge members of Saddam Hussein’s ruling political party from their positions in addition to bar them from futurity employment. That decree succeeded inwards erasing the Baathist state, but also gutted the country’s civil institutions, creating the mightiness vacuum that groups similar ISIS rushed to fill.

Islamic State fighters swept through the desert after seizing Mosul.via Agence France-Presse — Getty Images

ISIS supporters inwards Mosul inwards 2014. Associated Press
A footling to a greater extent than than a decade later, after seizing huge tracts of Republic of Iraq in addition to Syria, the militants tried a unlike tactic. They built their province on the dorsum of the i that existed before, absorbing the administrative know-how of its hundreds of authorities cadres. An exam of how the grouping governed reveals a pattern of collaboration betwixt the militants in addition to the civilians nether their yoke.
One of the keys to their success was their diversified revenue stream. The grouping drew its income from hence many strands of the economic scheme that airstrikes lonely were non plenty to cripple it.
Ledgers, receipt books in addition to monthly budgets describe how the militants monetized every inch of territory they conquered, taxing every bushel of wheat, every liter of sheep’s milk in addition to every watermelon sold at markets they controlled. From agriculture alone, they reaped hundreds of millions of dollars. Contrary to pop perception, the grouping was self-financed, non dependent on external donors.
More surprisingly, the documents provide farther evidence that the taxation revenue the Islamic State earned far outstripped income from oil sales. It was daily commerce in addition to agriculture — non stone oil — that powered the economic scheme of the caliphate.
The United States-led coalition, trying to eject the Islamic State from the region, tried inwards vain to strangle the grouping past times bombing its oil installations. It’s much harder to bomb a barley field. It was non until in conclusion summertime that the militants abandoned Mosul, after a battle hence intense that it was compared to the worst combat of World War II.
While the militants’ province eventually crumbled, its designing remains for others to use.
“We dismiss the Islamic State every bit savage. It is savage. We dismiss it every bit barbaric. It is barbaric. But at the same fourth dimension these people realized the demand to maintain institutions,” said Fawaz A. Gerges, writer of “ISIS: Influenza A virus subtype H5N1 History.”
“The Islamic State’s capacity to principle is actually every bit unsafe every bit their combatants,” he said.

Farmers who returned to their dry reason after the militants were driven out often found their equipment damaged. Ivor Prickett for The New York Times
Land for the Taking
The twenty-four lx minutes menstruum after the meeting, Mr. Hamoud, a Sunni, returned to piece of work in addition to found that his subdivision was at nowadays staffed 100 percentage past times Sunnis, the sect of Islam practiced past times the militants. The Shia in addition to Christian colleagues who previously shared his business office had all fled.
For a while, Mr. Hamoud in addition to the employees he supervised at the agriculture subdivision went on much every bit they had before. Even the stationery they used was the same, though they were instructed to job a marking to encompass upwards the Iraqi government’s logo.
SHARING THE RECORDSThe New York Times is working to create the trove of ISIS documents publicly available to researchers, scholars, Iraqi officials in addition to anyone else looking to improve sympathise the Islamic State.
But the long-bearded men who at nowadays oversaw Mr. Hamoud’s subdivision had come upwards with a plan, in addition to they slow began to enact it.
For generations, jihadists had dreamed of establishing a caliphate. Osama bin Laden frequently spoke of it in addition to his affiliates experimented with governing inwards the dunes of Mali, inwards the badlands of Yemen in addition to inwards pockets of Iraq. Their goal was to recreate the gild that existed over a millennium agone during the fourth dimension of the Prophet Muhammad.
In Mosul, what had been called the Directorate of Agriculture was renamed Diwan al-Zera’a, which tin live translated every bit the Ministry of Agriculture. The term “diwan” harks dorsum to the seventh-century dominion of i of the earliest caliphs.
ISIS printed novel letterhead that showed it had branded at to the lowest degree xiv administrative offices with “diwan,” renaming familiar ones similar instruction in addition to health. Then it opened diwans for things that people had non heard of: something called the hisba, which they before long learned was the feared morality police; some other diwan for the pillaging of antiquities; yet some other dedicated to “war spoils.”
What began every bit a cosmetic alter inwards Mr. Hamoud’s business office before long turned into a wholesale transformation.
The militants sent woman someone employees habitation for goodness in addition to closed the twenty-four lx minutes menstruum attention center. They shuttered the office’s legal department, maxim disputes would at nowadays live handled according to God’s law alone.
And they did away with i of the department’s daily duties — checking an apparatus, placed outside, to mensurate precipitation. Rain, they said, was a gift from Allah — in addition to who were they to mensurate his gift?
Employees were also told they could no longer shave, in addition to they had to create certain the leg of their trousers did non make the ankle.
Glossy pamphlets, similar the i below, pinpointed the spot on the calf where the hem of the garb worn past times the companions of the Prophet around 1,400 years agone was said to take away hold reached.

“The Sanctity of Men’s Garments” told men how to wearing apparel to follow the path set past times Prophet Muhammad. Recovered inwards early on 2017 inwards Al-Araji hamlet past times a Times employee traveling with Iraqi troops. It was also published online.
B The motion icon pinpoints the spot on the calf where the hem should reach, citing an admonition from the Prophet to a follower whose garb was every bit good long.
A “What Muslims are plagued with nowadays is that men have on their clothes long in addition to women have on their clothes short!”
Eventually, the 57-year-old Hamoud, who wears his pilus inwards a comb-over in addition to prides himself on his professional person appearance, stopped buying razors. He took out the slacks he wore to piece of work in addition to asked his married adult woman to trim off 5 centimeters.
But the biggest alter came 5 months into the group’s rule, in addition to it turned the hundreds of employees who had reluctantly returned to piece of work into direct accomplices of the Islamic State. The alter involved the rattling subdivision Mr. Hamoud headed, which was responsible for renting government-owned dry reason to farmers.
To growth revenue, the militants ordered the agriculture subdivision to speed upwards the procedure for renting land, streamlining a weekslong application into something that could live accomplished inwards an afternoon.
That was merely the beginning.
It was in addition to hence that authorities workers got give-and-take that they should set out renting out holding that had never belonged to the government. The instructions were set out inwards a 27-page manual emblazoned with the phrase “The Caliphate on the Path of Prophecy.” The handbook outlined the group’s plans for seizing holding from the religious groups it had expelled in addition to using it every bit the seed upper-case missive of the alphabet of the caliphate.
“Confiscation,” the manual says, volition live applied to the holding of every unmarried “Shia, apostate, Christian, Nusayri in addition to Yazidi based on a lawful monastic enjoin issued direct past times the Ministry of the Judiciary.”
Islamic State members are solely Sunni in addition to regard themselves every bit the only truthful believers. Mr. Hamoud’s business office was instructed to create a comprehensive listing of the properties owned past times non-Sunnis — in addition to to seize them for redistribution.

A habitation seized from a Christian theater unit of measurement inwards Mosul. “Real estate of the Islamic State,” the writing says.European Pressphoto Agency

The Islamic State flag at a authorities edifice inwards Mosul.Mohammed al-Mosuli/European Pressphoto Agency
The confiscation didn’t halt at the dry reason in addition to homes of the families they chased out. An entire ministry building was set upwards to collect in addition to reallocate beds, tables, bookshelves — fifty-fifty the forks the militants took from the houses they seized. They called it the Ministry of War Spoils.
It was housed inwards a stone-faced edifice inwards western Mosul that was hitting past times an airstrike inwards the battle to retake the city. The ensuing sack consumed the construction in addition to blackened its walls. But the charred shapes left behind withal told a story. Each room served every bit a warehouse for ordinary household objects: kerosene heaters inwards one; cooking ranges inwards another; a jumble of air coolers in addition to H2O tanks inwards yet another.
The few papers that did non sack upwards showed how objects seized from the religious groups they had chased out were offered every bit rewards to ISIS fighters.
“Please kindly approve the asking of the theater unit of measurement of the belatedly Brother Durayd Salih Khalaf,” says i missive of the alphabet written on the letterhead of the Islamic State’s Prisoners in addition to Martyrs Affairs Authority. The asking was for a stove in addition to a washing machine. Influenza A virus subtype H5N1 annotation scribbled at the bottom says: “To live provided with a plasma TV in addition to stove only.”
Another application from the General Telecommunications Authority requested, amidst other things, clothes hangers.

In Jan 2017, Influenza A virus subtype H5N1 the ISIS telecom departmentsubmitted a asking shape to the terrorist group’s means inwards accuse of handing out War Spoils. It received xvi household items.
This document was recovered inwards a bombed-out edifice inwards western Mosul that had served every bit the headquarters of the Ministry of War Spoils.
An effusive greeting: “We are thankful for your cooperation with us, asking God, the Exalted, to elevate your stature in addition to bless you lot with goodness judgment to serve Islam in addition to Muslims.” (Not shown)
A spreadsheet lists the items the telecom subdivision was seeking, including B 8 plastic chairs, 5 curtains in addition to i clothes hanger.
C Each subdivision had its ain stamp, listing the refer of the segmentation in addition to sometimes the refer of the official inwards charge.
The Islamic State’s hope of taking attention of its own, including complimentary housing for unusual recruits, was i of the draws of the caliphate.
“I’m inwards Mosul in addition to it’s actually the top here,” Kahina el-Hadra, a immature Frenchwoman who joined the grouping inwards 2015, wrote inwards an electronic mail that twelvemonth to her secondary schoolhouse teacher, according to a transcript contained inwards a study past times the Paris Criminal Brigade, which was obtained past times The Times.
“I take away hold an even that is fully furnished,” Ms. Hadra gushed. “I pay no rent nor fifty-fifty electricity or H2O lol. It’s the goodness life!!! I didn’t purchase hence much every bit a unmarried fork.”
When her concerned instructor wrote dorsum that the even had likely been stolen from some other family, she shot back: “Serves them right, muddy Shia!!!”
Ms. Hadra, according to constabulary records, was the important married adult woman of i of the suicide bombers who blew himself upwards inwards the packed Bataclan concert hall during the Paris attacks of 2015.

An ISIS flag hung higher upwards a bed inwards a theater in i trial used past times militants inwards Mosul.Ivor Prickett for The New York Times
The Paper Trail
I got into the habit of digging through the trash left behind past times terrorists inwards 2013, when I was reporting on Al Qaeda inwards Mali. Locals pointed out buildings the grouping had occupied inwards the deserts of Timbuktu. Beneath overturned slice of furniture in addition to inwards abandoned filing cabinets, I found letters the militants had hand-carried across the dunes that spelled out their vision of jihad.
Those documents revealed the inner workings of Al Qaeda, in addition to years afterwards I wanted to investigate the Islamic State inwards the same way.
When the coalition forces moved to accept Mosul dorsum from the militants inwards belatedly 2016, I rushed to Iraq. For iii weeks, I tried — in addition to failed — to respect whatever documents. Day after day, my squad negotiated access to buildings painted with the Islamic State logo, only to respect desk drawers jutting out in addition to hard drives ripped out.
Then, the twenty-four lx minutes menstruum earlier my render flight, nosotros met a human who remembered seeing stacks of newspaper within the provincial headquarters of the Islamic State’s Ministry of Agriculture inwards a little hamlet called Omar Khan, 25 miles southeast of the city. The side past times side twenty-four lx minutes menstruum nosotros traveled to the town, no to a greater extent than than a speck on the map of the Nineveh Plains, in addition to entered House No. 47.
My pump sank every bit nosotros pushed opened upwards the door in addition to saw the closets flung opened upwards — a clear sign that the seat had already been cleared.
But on the way out, I stopped at what seemed to live an outhouse. When nosotros opened the door, nosotros saw piles of yellowish folders cinched together with twine in addition to stacked on the floor.
We pulled i out, set it opened upwards inwards the Sun — in addition to at that topographic point was the unmistakable dark banner of the Islamic State, the flag they claim was flown past times the Prophet himself.
Folder after folder, 273 inwards all, identified plots of dry reason owned past times farmers who belonged to i of the faiths banned past times the group. Each yellowish sleeve contained the handwritten asking of a Sunni applying to confiscate the property.

This is i of 273 leases for dry reason ISIS stole from members of religious groups it chased out. Influenza A virus subtype H5N1 This five-acre plot was rented to Ghanim KhalafAhmed for 100,000 dinars — roughly $83.
The leases were found past times Times reporters inwards the hamlet of Omar Khan inwards northern Republic of Iraq inwards Dec 2016.
A hold back at the fine impress shows that the landowners this holding was taken from were Shia. B Next to their names is their “status”: Rafidhis, a derogatory term for the Shia.
C Influenza A virus subtype H5N1 tenant may non sublet the property; he must hold the holding create clean in addition to inwards goodness condition; the holding tin only live modified after the approving of the Ministry of Agriculture.
Doing hence involved a step-by-step process, firstly with a study past times a surveyor, who mapped the plot, noted of import topographical features in addition to researched the property’s ownership. Once it was determined that the dry reason was owned past times i of the targeted groups, it was classified every bit holding of the Islamic State. Then a contract was drawn upwards spelling out that the tenant could neither sublet the dry reason nor modify it without the group’s permission.
The outhouse regain taught me to remain off the beaten track. I learned to read the landscape for clues, starting with باقية — “baqiya” — the firstly give-and-take of the Islamic State slogan. It tin live translated every bit “will remain,” in addition to marked the buildings the grouping occupied, invoking its claim that the Islamic State volition endure.
Once nosotros confirmed that a edifice had been occupied past times the group, nosotros lifted upwards the mattresses in addition to pulled dorsum the headboards of beds. We rifled through the closets, opened kitchen cupboards, followed the stairs to the roof in addition to scanned the grounds.
The danger of dry reason mines in addition to booby-traps hung over our team. In i villa, nosotros found a collection of records — but could search only i set of rooms after safety forces discovered an unexploded bomb.
Because the buildings were close the front end lines, Iraqi safety forces nearly ever accompanied our team. They led the way in addition to gave permission to accept the documents. In time, the troops escorting us became our sources in addition to they, inwards turn, shared what they found, augmenting our cache past times hundreds of records.

An Iraqi checkpoint inwards Mosul after ISIS was defeated. Ivor Prickett for The New York Times
The Times asked vi analysts to examine portions of the trove, including Aymenn Jawad al-Tamimi, who maintains his ain archive of Islamic State documents in addition to has written a primer on how to seat fraudulent ones; Mara Revkin, a Yale scholar who has made repeated trips to Mosul to study the group’s administration; in addition to a squad of analysts at West Point’s Combating Terrorism Center who analyzed the records found inwards Bin Laden’s hide-out inwards Pakistan.
They deemed the records to live original, based on the markings, logos in addition to stamps, every bit good every bit the names of authorities offices. The terminology in addition to designing were consistent with those found on documents issued past times the grouping inwards other parts of the caliphate, including every bit far afield every bit Libya.
As lease after lease was translated dorsum inwards New York, the same signature inked at the bottom of numerous contracts kept reappearing: “Chief Technical Supervisor, Mahmoud Ismael Salim, Supervisor of Land.”
On my firstly trip dorsum to Iraq, I showed the leases to a local constabulary officer. He recognized the angular signature in addition to offered to escort me to the habitation of the ISIS bureaucrat.
The officeholder shrugged when asked why a human who had taken component subdivision inwards the group’s organized dry reason theft had non been arrested. His men were overwhelmed investigating those who had fought in addition to killed on behalf of the terrorist group, he said. They didn’t take away hold fourth dimension to also acquire after the hundreds of civil servants who had worked inwards the Islamic State’s administration.
Hours later, the human whose signature appeared on the lease for farmland seized from a Christian priest, on the contract for the orchards taken from a monastery, in addition to on the deed for dry reason stolen from a Shia theater unit of measurement allowed us into his pocket-size home.
The only ornamentation inwards his living room was a broken clock whose manus trembled betwixt 10:43 in addition to 10:44.
A stooped human with thick glasses, the 63-year-old Salim was visibly nervous. He explained that he had spent years overseeing the provincial business office of the authorities of Iraq’s Directorate of Agriculture, where he reported to Mr. Hamoud, whom nosotros contacted for the firstly fourth dimension a few days later.

Mahmoud Ismael Salim, an agronomist, said the militants forced him to piece of work for them.Ivor Prickett for The New York Times
Mr. Salim acknowledged that it was his signature on the leases. But speaking haltingly, he claimed to take away hold been forcibly conscripted into the bureaucracy of the terrorist state.
“They took our files in addition to started going through them, searching which of the properties belong to Shia, which of them belong to apostates, which of them are people who had left the caliphate,” he said.
He described informants phoning inwards the addresses of Shias in addition to Christians.
Sunnis who were every bit good pathetic to pay the rent upfront were offered a sharecropping understanding with the Islamic State, allowing them to accept possession of the stolen dry reason inwards render for one-third of the futurity harvest.
On busy days, a line snaked around his business office building, made upwards of Sunni farmers, many of them resentful of their handling at the hands of a Shia-led Iraqi government. In the same chemical compound where nosotros found the stacks of yellowish folders, Mr. Salim received men he knew, whose children had played with his. They came to steal the dry reason of other men they all knew — whose children had also grown upwards amongst theirs.
With the stroke of his pen, farmers lost their ancestors’ cropland, their sons were robbed of their inheritance in addition to the wealth of entire families, built upwards over generations, was wiped out.
“These are relationships nosotros built over decades, from the fourth dimension of my father, in addition to my father’s father,” Mr. Salim said, pleading for understanding. “These were my brothers, but nosotros were forced to do it.”

Iraqi workers replacing wires in addition to poles inwards the town of Tel Kaif after ISIS was driven out.Ivor Prickett for The New York Times
A Clean Sweep
As 2014 blurred into 2015 in addition to Mr. Hamoud in addition to his colleagues helped hold the mechanism of authorities running, Islamic State soldiers set out to remake every aspect of life inwards the metropolis — starting with the role of women.
Billboards went upwards showing an epitome of a adult woman fully veiled. The militants commandeered a textile factory, which began manufacturing bales of regulation-length woman someone clothing. Soon thousands of niqab sets were delivered to the market, in addition to women who didn’t encompass upwards began to live fined.
Mr. Hamoud, who is known every bit “Abu Sara,” or Father of Sara, gave inwards in addition to bought a niqab for his daughter.
As he walked to in addition to from work, Mr. Hamoud began taking side streets to dodge the frequent executions that were beingness carried out inwards traffic circles in addition to populace squares. In one, a teenage immature lady defendant of adultery was dragged out of a minivan in addition to forced to her knees. Then a stone slab was dropped onto her head. On a bridge, the bodies of people defendant of beingness spies swung from the railing.
But on the same thoroughfares, Mr. Hamoud noticed something that filled him with shame: The streets were visibly cleaner than they had been when the Iraqi authorities was inwards charge.
Omar Bilal Younes, a 42-year-old truck driver whose line allowed him to crisscross the caliphate, noticed the same improvement. “Garbage collection was No. 1 nether ISIS,” he said, flashing a thumbs-up sign.
The street sweepers hadn’t changed. What had was that the militants imposed a dependent land that had been lacking, said a half-dozen sanitation employees who worked nether ISIS in addition to who were interviewed inwards iii towns after the grouping was forced out.
“The only thing I could do during the fourth dimension of authorities dominion is to give a worker a one-day suspension without pay,” said Salim Ali Sultan, who oversaw garbage collection both for the Iraqi authorities in addition to afterwards for the Islamic State inwards the northern Iraqi town of Tel Kaif. “Under ISIS, they could live imprisoned.”

Street cleaners after the Iraqi authorities regained command of Tel Kaif.Ivor Prickett for The New York Times
Residents also said that their taps were less probable to run dry, the sewers less probable to overflow in addition to potholes fixed to a greater extent than rapidly nether the militants, fifty-fifty though at that topographic point were at nowadays near-daily airstrikes.
Then i day, residents of Mosul saw earthmovers heading toward a neighborhood called the Industrial Area inwards the eastern one-half of the city. Laborers were seen paving a novel blacktop route that would eventually run for roughly i mile, connecting 2 areas of the metropolis in addition to reducing congestion.
The novel highway was called “Caliphate Way.”
The novel authorities did non business itself only with administrative matters. For morality, every bit for everything else, at that topographic point was a bureaucracy.
Citizens stopped inwards the street past times the hisba, the morality police, in addition to defendant of an offense were ordered to manus over their IDs inwards render for a “confiscation receipt.” The ID was taken to the group’s office, where residents were forced to appear in addition to confront judgment. Religious specialists weighed the crime, filling out a form.
Afterward, the offender was made to sign some other form: “I, the undersigned, pledge non to cutting or trim my beard again,” said one. “If I do that again, I volition live dependent to all kinds of punishmentsthat the Hisba Center may accept against me.”
The zeal with which the Islamic State policed the population is reflected inwards the 87 prison theater transfer records they abandoned inwards i of their constabulary stations. Citizens were thrown into jail for a litany of obscure crimes, including eyebrow plucking, inappropriate haircuts, raising pigeons, playing dominoes, playing cards, playing music in addition to smoking the hookah.

The Freedom Cafe inwards Mosul, non long after it opened inwards 2017. Ivor Prickett for The New York Times
In early on 2016, Mr. Hamoud’s immature lady Sara ran out for a quick errand without roofing her eyes.
She was spotted past times an officeholder from the morality police. Before she could explain, he smashed his fist into her eye.
From in addition to hence on, her manful someone nurture forbade her to acquire out the house, except to drive to the infirmary for the appointments that followed the assault, which left her with vision loss, the theater unit of measurement said.
With alter sweeping the region, residents were forced to create fraught choices, amidst them: Stay or leave, rebel or accommodate.
Mr. Hamoud decided to endeavour to escape. He in addition to his eldest son, 28-year-old Omar, had set aside over $30,000 to purchase a novel home. The morn of their planned departure, Omar withdrew all but around $1,000 from the banking company account.
Not fifty-fifty 2 hours later, a unit of measurement of masked fighters banged downward the family’s front end door. One of them was holding the banking company skid Omar had signed.
“Try this in i trial to a greater extent than in addition to we’ll kill every in conclusion i of you,” the militants warned.

The due west side of Mosul was largely reduced to rubble during the battle for the city.Ivor Prickett for The New York Times
The Money Machine
On the western banks of the Tigris River, inwards a pulverized building, I found an abandoned briefcase.
The documents that spilled out revealed that the briefcase belonged to Yasir Issa Hassan, a immature professional person whose photograph identification shows a balding human with a large, aquiline nose. He was the administrator of the Trade Division within the Islamic State Ministry of Agriculture.
The group’s outsize ambitions in addition to its robust bureaucracy hinged on its mightiness to generate funds. Bulging with accounting forms, budget projections in addition to receipts, every bit good every bit 2 CD-ROMs containing spreadsheets, the briefcase shed calorie-free on the range of the organization’s revenue machine in addition to offered a designing for how it worked.
The fiscal reports tallied over $19 i one one thousand thousand inwards transactions involving agriculture alone.
The documents describe how it made coin at every pace inwards the render chain: Before a unmarried seed of grain, for example, was sown, the grouping collected rent for the fields it had confiscated. Then, when the crops were ready to live threshed, it collected a harvest tax.
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It did non halt there.
The trucks that transported the grain paid highway tolls. The grain was stored inwards silos, which the militants controlled, in addition to they made coin when the grain was sold to mills, which they also controlled. The mills footing the grain into flour, which the grouping sold to traders.
Then the bags of flour were loaded onto trucks, which traversed the caliphate, paying to a greater extent than tolls. It was sold to supermarkets in addition to shops, which were also taxed. So were the consumers who bought the finished product.
In a unmarried 24-hour menstruum inwards 2015, i of the spreadsheets inwards the briefcase shows, the Islamic State collected $1.9 i one one thousand thousand from the sale of barley in addition to wheat.
Another tabular array shows that the militants earned over $3 i one one thousand thousand inwards iii months from gross flour sales inwards merely iii locations inwards Mosul.
The scheme appeared intent on making coin off every in conclusion grain — fifty-fifty crops that were damaged.
On merely i day, according to some other statement, it took inwards over $14,000 from wheat described every bit having been scorched inwards a bombing, in addition to $2,300 from the sale of spoiled lentils in addition to chickpeas. It also took inwards over $23,000 from grain that had been scraped off the bottom of a tank, according to i spreadsheet.
The Islamic State’s taxation arm reached into every facet of life inwards Mosul. Households inwards Republic of Iraq were taxed 2,000 dinars per calendar month (less than $2) for garbage collection, 10,000 dinars (about $8) for each 10 amperes of electricity, in addition to some other 10,000 for municipal water.
Businesses wishing to install a landline paid a 15,000-dinar (about $12) installation fee to the group’s telecommunication office, followed past times a 5,000-dinar monthly maintenance fee.
Municipal offices charged for wedlock licenses in addition to nascency certificates.

This nascency certificate is for a immature lady named Shehed. Influenza A virus subtype H5N1 She weighed 4 kilograms when she was born on Aug. 26, 2016, inwards an administrative expanse created past times ISIS called Al-Jazeera province.
The newspaper was recovered past times Times journalists inwards Tal Abta, a hamlet inwards northern Iraq, inwards July 2017 inwards a edifice used past times ISIS fighters.
Shehed was born at habitation to B Wadha Mansour Ubaid, 20, in addition to Mahmud Muhammad Mousa, a 35-year-old laborer. There was no doctor, nurse or certified midwife at the birth.
ISIS issued numbered nascency certificates on stationery that read, C “The Islamic State, Ministry of Health” to children born nether their dark flag.
But mayhap the most lucrative taxation was a religious taxation known every bit zakat, which is considered one of the 5 pillars of Islam. It is calculated at 2.5 percentage of an individual’s assets, in addition to upwards to 10 percentage for agricultural production, according to Ms. Revkin, the Yale researcher. While some of these fees had been charged past times the Iraqi in addition to Syrian governments, the mandatory asset taxation was a novel development.
Ordinarily inwards Islamic practice, the zakat is a tithe used to assist the poor. In the Islamic State’s interpretation, an human activity of charity became a mandatory payment, in addition to spell some of the funds collected were used to assist needy families, the Ministry of Zakat in addition to Charities acted to a greater extent than similar a version of the Internal Revenue Service.
Most accounts of how the Islamic State became the richest terrorist grouping inwards the world focus on its black-market oil sales, which at i betoken brought inwards every bit much every bit $2 i one one thousand thousand per week, according to some estimates. Yet records recovered inwards Syrian Arab Republic past times Mr. Tamimi in addition to analyzed past times Ms. Revkin exhibit that the ratio of coin earned from taxes versus oil stood at 6:1.
Despite hundreds of airstrikes that left the caliphate pocked with craters, the group’s economic scheme continued to function, fed past times streams of revenue that could non live bombed nether international norms: the civilians nether their rule, their commercial activity in addition to the dirt nether their feet.
According to estimates from the Food in addition to Agriculture Organization of the United Nations, the dry reason that the militants seized was Iraq’s most fertile, in addition to at the group’s height, the fields that were harvested accounted for xl percentage of the country’s annual wheat production in addition to to a greater extent than than one-half of its barley crop. In Syria, the grouping at i betoken controlled every bit much every bit 80 percentage of the country’s cotton wool crop, according to a study past times the Paris-based Center for the Analysis of Terrorism.

Harvesting tomatoes on dry reason lately liberated from the Islamic State.Ivor Prickett for The New York Times

Retreating ISIS fighters set oil fields on fire. Tyler Hicks/The New York Times
It all added upwards to astonishing sums, every bit much every bit $800 i one one thousand thousand inwards annual taxation revenue, according to the study.
Still, the group’s ambition of running a province meant it also had large bills.
On a unmarried twenty-four lx minutes menstruum inwards the summertime of 2016, the possessor of the briefcase handed over $150,000 to i of the group’s accountants to pay for the carry of wheat from i town to another, according to i fiscal report.
In a two-week menstruum the same year, he paid over $16,000 to the Islamic State merchandise segmentation inwards the Dijlah district in addition to $14,000 to the i inwards Kirkuk. He gave an $8,400 cash advance to the group’s Hawija office, $16,800 to the dry reason subdivision in addition to $8,400 to the Islamic State province straddling the Euphrates River.
Tax collection continued until the rattling end. At to the lowest degree 100 documents labeled “Daily Gross Revenue” that showed incoming cash were dated Nov 2016, a calendar month after the start of the coalition’s force to accept dorsum the city.
Even every bit tanks were rolling inwards in addition to taking surrounding neighborhoods, the merchandise segmentation continued to create money, pocketing $70,000 inwards a unmarried sale.

Volunteers collected bodies inwards the district where the militants made their in conclusion stand.Ivor Prickett for The New York Times
After ISIS
One twenty-four lx minutes menstruum inwards belatedly 2016, a flier decorated with the Iraqi flag floated downward onto the Hamoud family’s home.
The agricultural subdivision official in addition to his extended theater unit of measurement were hunkered downward within the living room, sitting elbow-to-elbow on an L-shaped couch, he recalls. By then, the militants had banned both cellphones in addition to satellite dishes. They were cutting off from the world.
The flier was i of millions dropped over Mosul alert the population to accept cover. The military machine onset was most to begin.
“Could this actually live happening?” Mr. Hamoud wondered. Then he used a lighter to incinerate the flier.
The fighters whose plans of edifice a province had been met with ridicule proved surprisingly goodness at it. It took nine months to wrest Mosul from the militants’ grip, a slog that i senior American full general said was the most difficult battle he had witnessed inwards 35 years.
Since then, the militants take away hold lost all but 3 percentage of the territory inwards Republic of Iraq in addition to Syrian Arab Republic they in i trial held. But they clung hence tightly to their caliphate that block after metropolis block was leveled during the battle to accept dorsum cities in addition to towns. Thousands of people take away hold lost their homes. New volume graves are beingness discovered every month. One of them contains the remains of iv of Mr. Hamoud’s cousins.

With the mightiness render improved, the Tel Kaif marketplace stayed opened upwards later.Ivor Prickett for The New York Times
His immature lady Sara at nowadays wears thick spectacles to right her vision, which has been blurry since the twenty-four lx minutes menstruum she was punched past times the hisba. Even through her compromised eyesight, she tin regard the mount of trash rising inwards the empty lot across from her family’s home.
Few take away hold anything goodness to say most their former rulers — unless prodded to utter most the services they provided.
“We take away hold to live honest,” Mr. Hamoud said. “It was much cleaner nether ISIS.”
Though the militants are gone, reminders of the Islamic State in addition to their exceptional trend of governance remain.
In the northern town of Tel Kaif, for example, residents recall how the militants conscripted a commission of electrical engineers to set an overloaded mightiness grid. They installed novel circuit breakers, in addition to for the firstly time, residents who had been accustomed to at most vi hours of electricity a twenty-four lx minutes menstruum could at nowadays reliably plow on lights.
In early on 2017, Iraqi soldiers reclaimed the town, in addition to were welcomed every bit heroes. But in addition to hence they disconnected the Islamic State circuit breakers — in addition to the mightiness failures resumed.
“If the authorities was to acquire dorsum to the scheme that ISIS set inwards place, nosotros would acquire hence far every bit to osculation their foreheads,” Mr. Younes, the truck driver, said at the time.
Within a few months, the authorities did merely that.
The irony that it had taken a terrorist grouping to set i of the town’s longstanding grievances was non lost on its citizens.
“Although they were non recognized every bit a province or a country,” said i shopkeeper, Ahmed Ramzi Salim, “they acted similar one.”
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